Trouble Recovery
EMU39523
A. Install clip to engine shut-off switch.
Troubleshooting
This section describes the likely causes and
remedies for problems, such as those in the
fuel, compression, and ignition systems, poor
starting, and loss of power. Please note that
all of the items in this section may not apply to
your model.
Q. Are engine inner parts damaged?
A. Have serviced by a Yamaha dealer.
Engine idles irregularly or stalls.
Q. Is fuel system obstructed?
A. Check for pinched or kinked fuel line or oth-
er obstructions in fuel system.
If your outboard motor requires repair, bring it
to a Yamaha dealer.
Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.
Engine will not start.
Q. Is fuel tank empty?
A. Fill tank with clean, fresh fuel.
Q. Is fuel filter clogged?
A. Clean or replace filter.
Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.
Q. Are electrical parts malfunctioning?
A. Have serviced by a Yamaha dealer.
Q. Is fuel filter clogged?
A. Clean or replace filter.
Q. Is spark plug gap incorrect?
A. Replace spark plug.
Q. Is fuel pump malfunctioning?
A. Have serviced by a Yamaha dealer.
Q. Is spark plug wiring damaged or poorly
connected?
A. Check wires for wear or breaks. Tighten all
loose connections. Replace worn or broken
wires.
Q. Is spark plug fouled or of incorrect type?
A. Inspect spark plug. Clean or replace with
recommended type.
Q. Is spark plug cap fitted incorrectly?
A. Check and re-fit cap.
Q. Is specified engine oil not being used?
A. Check and replace oil with specified type.
Q. Is spark plug wiring damaged or poorly
connected?
A. Check wires for wear or breaks. Tighten all
loose connections. Replace worn or broken
wires.
Q. Is thermostat malfunctioning or clogged?
A. Have serviced by a Yamaha dealer.
Q. Are carburetor adjustments incorrect?
A. Have serviced by a Yamaha dealer.
Q. Are electrical parts malfunctioning?
A. Have serviced by a Yamaha dealer.
Q. Is fuel pump malfunctioning?
A. Have serviced by a Yamaha dealer.
Q. Is clip on engine shut-off cord (lanyard) in-
stalled?
Q. Is air vent screw tightened?
64
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha F4 F6 |
| Model Year | 2008 |
| Download File |
|
| Language | English |
| Product Brand | Yamaha Motor. Yamaha Motor Corporation, USA - Support Customer Relations for US: 1-800-962-7926
Yamaha Boats: 1-800-962-7926 Yamaha Outboard Customer Relations: 1-866-894-1626 , Yamaha Outboard |
| Document File Type | |
| Publisher | yamaha-motor.com |
| Wikipedia's Page | Yamaha Motor Company |
| Copyright | Attribution Non-commercial |
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